PHP Get Image width height, size size, picture Type, img property for layout

This article describes the content of PHP to get a picture width height, size, image type, for the layout of the IMG attributes, has a certain reference value, now share to everyone, the need for friends can refer to

PHP comes with function getimagesize () $img _info = getimagesize (' tomener.jpg '); Echo ' <pre> ';p rint_r ($img _info); output: Array ([0] = = 170[1] [254[2] = 2[3] + width= "height=", "254" [bits] = 8[channels] = 3[mime] = Image/jpeg This is the fourth element to be used for this one.